Background Reading:

11:11 By faith Sarah, even though she was old and barren, received the strength to conceive, because she was convinced that the one who had made the promise was faithful. 12 Abraham was as good as dead, yet from this one man came descendants as numerous as the stars in the sky and as countless as the sand on the seashore.Hebrews 11:11-12

and

Sarah

29 Abram and Nahor took wives for themselves. The name of Abram’s wife was Sarai, and the name of Nahor’s wife was Milcah. She was the daughter of Haran, who was the father of Milcah and Iscah. 30 Sarai was barren, so she had not borne children.

31 Terah took his son Abram, his grandson Lot (Haran’s son), and his daughter-in-law Sarai, his son Abram’s wife, and they journeyed together from Ur of the Chaldeans to go to the land of Canaan. But when they had gone as far as Haran, they settled there,Genesis 11:29-31
Look up the Bible for the life of Sarah – Genesis 11:29-23:20

Look up the life of Abraham in any Bible GENESIS chapters 12:1-25:11 and add any bits of Sarah’s life to it.

God also said to Abraham,” As for Sarai your wife, you are no longer to call her Sarai; her name will be Sarah.

Sarah 2155-2028BC lived 127 years had one son called Isaac meaning laughter.

More Information:

Most people know Sarah as the barren wife of Abraham. She was also his half–sister (same father–different mothers), which came from tribal marriage alliances in Hebrew times. This is how (in Genesis) Abraham can claim Sarah as his sister to the Egyptians.